{
  "manageEntity": {
    "action": "Repost",
    "entityId": "857655624",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd1c0b0f047ee2d9cf00e4bbe5ab6dabba44768842de7e8bb48f8c053d0faac7c",
    "signature": "0xfcfef053db1322350925f2a266e9254a5042b6551bf28a495da391d544c4ffe84d3375315a0a21e309fe8b346f177b2242a132b51a133160cee63ca6f1f1bd8c1c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}